/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package com.hermeneute.fsa.editors;

 
import org.eclipse.jface.action.IAction;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.ide.IDEActionFactory;
import org.eclipse.ui.part.MultiPageEditorActionBarContributor;
import org.eclipse.ui.texteditor.ITextEditor;

/**
 * Manages the installation/deinstallation of global actions for multi-page editors.
 * Responsible for the redirection of global actions to the active editor.
 * Multi-page contributor replaces the contributors for the individual editors in the multi-page editor.
 */
public class ResultEditorContributor extends MultiPageEditorActionBarContributor {
	private IEditorPart activeEditorPart;
/**
 * Creates a multi-page contributor.
 */
public ResultEditorContributor() {
	super();
}
/**
 * Returns the action registed with the given text editor.
 * @return IAction or null if editor is null.
 */
protected IAction getAction(ITextEditor editor, String actionID) {
	return (editor == null ? null : editor.getAction(actionID));
}
/* (non-JavaDoc)
 * Method declared in MultiPageEditorActionBarContributor.
 */
public void setActivePage(IEditorPart part) {
	if (activeEditorPart == part)
		return;

	activeEditorPart = part;

	IActionBars actionBars = getActionBars();
	if (actionBars != null) {

		ITextEditor editor = (part instanceof ITextEditor) ? (ITextEditor) part : null;

		actionBars.setGlobalActionHandler(ActionFactory.DELETE.getId(), getAction(editor, ActionFactory.DELETE.getId()));
		actionBars.setGlobalActionHandler(ActionFactory.UNDO.getId(), getAction(editor, ActionFactory.UNDO.getId()));
		actionBars.setGlobalActionHandler(ActionFactory.REDO.getId(), getAction(editor, ActionFactory.REDO.getId()));
		actionBars.setGlobalActionHandler(ActionFactory.CUT.getId(), getAction(editor, ActionFactory.CUT.getId()));
		actionBars.setGlobalActionHandler(ActionFactory.COPY.getId(), getAction(editor, ActionFactory.COPY.getId()));
		actionBars.setGlobalActionHandler(ActionFactory.PASTE.getId(), getAction(editor, ActionFactory.PASTE.getId()));
		actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), getAction(editor, ActionFactory.SELECT_ALL.getId()));
		actionBars.setGlobalActionHandler(ActionFactory.FIND.getId(), getAction(editor, ActionFactory.FIND.getId()));
		actionBars.setGlobalActionHandler(IDEActionFactory.BOOKMARK.getId(), getAction(editor, IDEActionFactory.BOOKMARK.getId()));
		actionBars.setGlobalActionHandler(IDEActionFactory.ADD_TASK.getId(), getAction(editor, IDEActionFactory.ADD_TASK.getId()));
		actionBars.updateActionBars();
	}
}
}
